diff --git a/.github/workflows/test_chibios.yml b/.github/workflows/test_chibios.yml
index fc9b547922..1d53afb2aa 100644
--- a/.github/workflows/test_chibios.yml
+++ b/.github/workflows/test_chibios.yml
@@ -65,7 +65,7 @@ jobs:
           CI_BUILD_TARGET: ${{matrix.config}}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "chibios-clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "chibios-clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_coverage.yml b/.github/workflows/test_coverage.yml
index 1dc3842620..e191f6d67e 100644
--- a/.github/workflows/test_coverage.yml
+++ b/.github/workflows/test_coverage.yml
@@ -73,7 +73,7 @@ jobs:
           python -m pip uninstall -y pymavlink
           git submodule update --init --recursive
           (cd modules/mavlink/pymavlink && DISABLE_MAVNATIVE=True MDEF="$PWD/../message_definitions" python -m pip install --user .)
-          if [[ ${{ matrix.config }} = "coverage" ]]; then
+          if [[ ${{ matrix.config }} == "coverage" ]]; then
             Tools/scripts/run_coverage.py -f
           else
             Tools/scripts/run_coverage.py -i
diff --git a/.github/workflows/test_linux_sbc.yml b/.github/workflows/test_linux_sbc.yml
index 94c05700d4..13d24620fa 100644
--- a/.github/workflows/test_linux_sbc.yml
+++ b/.github/workflows/test_linux_sbc.yml
@@ -59,7 +59,7 @@ jobs:
           CI_BUILD_TARGET: ${{matrix.config}}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = ",clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == ",clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_replay.yml b/.github/workflows/test_replay.yml
index 794eb35e31..2eb4f6e721 100644
--- a/.github/workflows/test_replay.yml
+++ b/.github/workflows/test_replay.yml
@@ -53,7 +53,7 @@ jobs:
           CI_BUILD_TARGET: ${{matrix.config}}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_sitl_copter.yml b/.github/workflows/test_sitl_copter.yml
index 2b3244b8c5..c215917824 100644
--- a/.github/workflows/test_sitl_copter.yml
+++ b/.github/workflows/test_sitl_copter.yml
@@ -48,7 +48,7 @@ jobs:
       - name: build copter ${{ matrix.toolchain }}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_sitl_plane.yml b/.github/workflows/test_sitl_plane.yml
index 01055497c4..059e62dc2f 100644
--- a/.github/workflows/test_sitl_plane.yml
+++ b/.github/workflows/test_sitl_plane.yml
@@ -48,7 +48,7 @@ jobs:
       - name: build plane ${{ matrix.toolchain }}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_sitl_rover.yml b/.github/workflows/test_sitl_rover.yml
index 9bfac55641..e89ffcf52d 100644
--- a/.github/workflows/test_sitl_rover.yml
+++ b/.github/workflows/test_sitl_rover.yml
@@ -48,7 +48,7 @@ jobs:
       - name: build rover ${{ matrix.toolchain }}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_sitl_sub.yml b/.github/workflows/test_sitl_sub.yml
index 936d1aca58..aad353c998 100644
--- a/.github/workflows/test_sitl_sub.yml
+++ b/.github/workflows/test_sitl_sub.yml
@@ -48,7 +48,7 @@ jobs:
       - name: build sub ${{ matrix.toolchain }}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_sitl_tracker.yml b/.github/workflows/test_sitl_tracker.yml
index 108750bb77..84b80e8ccf 100644
--- a/.github/workflows/test_sitl_tracker.yml
+++ b/.github/workflows/test_sitl_tracker.yml
@@ -48,7 +48,7 @@ jobs:
       - name: build tracker ${{ matrix.toolchain }}
         shell: bash
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi
diff --git a/.github/workflows/test_unit_tests.yml b/.github/workflows/test_unit_tests.yml
index 7cc1f9fefd..05737cb87f 100644
--- a/.github/workflows/test_unit_tests.yml
+++ b/.github/workflows/test_unit_tests.yml
@@ -57,7 +57,7 @@ jobs:
           CI_BUILD_TARGET: ${{matrix.config}}
         shell: 'script -q -e -c "bash {0}"'
         run: |
-          if [[ ${{ matrix.toolchain }} = "clang" ]]; then
+          if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang-7
             export CXX=clang++-7
           fi